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Finding the Fourth Proportional to 109,693.44, 151,375.23 and 59,392.44

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Solution

The fourth proportional to 109,693.44, 151,375.23 and 59,392.44 is: 81,960.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,693.44 : 151,375.23 = 59,392.44 : x
  2. Step 2: Convert to fraction form
    109,693.44/151,375.23 = 59,392.44/x
  3. Step 3: Cross multiply
    109,693.44x = 151,375.23 × 59,392.44
  4. Step 4: Simplify right side
    109,693.44x = 8,990,544,265.26
  5. Step 5: Solve for x
    x = 8,990,544,265.26/109,693.44
  6. Step 6: Final answer
    x = 81,960.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.